<?php
#===========================================================================
#= Script : Database Access Class
#= File   : example_MySQL.php
#= Version: 0.2
#= Author : Mike Leigh
#= Email  : hide@address.com
#= Website: http://www.mikeleigh.com/scripts/databaseaccess
#= Support: http://www.mikeleigh.com/forum
#===========================================================================
#= Copyright (c) 2005 Mike Leigh
#= You are free to use and modify this script as long as this header
#= section stays intact
#= This file is part of DownloadCounter.
#=
#= This program is free software; you can redistribute it and/or modify
#= it under the terms of the GNU General Public License as published by
#= the Free Software Foundation; either version 2 of the License, or
#= (at your option) any later version.
#=
#= This program is distributed in the hope that it will be useful,
#= but WITHOUT ANY WARRANTY; without even the implied warranty of
#= MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#= GNU General Public License for more details.
#=
#= You should have received a copy of the GNU General Public License
#= along with DownloadCounter; if not, write to the Free Software
#= Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#===========================================================================
class phpDB {

	var $attributes = array('status' => true);

	function phpDB($attributes = array()) {
		if(count($attributes) >= 1) {
			foreach($attributes as $key => $value) {
				$this->setAttribute($key, $value);
			}
		}
		$defaults = array();
		$defaults['fetch'] = 'associative';
		foreach($defaults as $key => $value) {
			if(!array_key_exists($key, $this->attributes)) {
				$this->setAttribute($key, $value);
			}
		}
	}

	function getAttribute($attribute) {
		if($this->getStatus() == true) {
			if(array_key_exists($attribute, $this->attributes)) {
				return $this->attributes[$attribute];
			} else {
				$this->setStatus(false);
				$this->setMessage("Attribute: '".$attribute."' does not exist");
				return $this->getStatus();
			}
		}
	}

	function setAttribute($attribute, $value) {
		if($this->getStatus() == true) {
			$this->attributes[$attribute] = $value;
		}
	}

	function getStatus() {
		return $this->attributes['status'];
	}

	function setStatus($value) {
		$this->attributes['status'] = $value;
	}

	function getMessage() {
		return $this->attributes['message'];
	}

	function setMessage($value) {
		$this->attributes['message'] = $value;
	}

	function getResultArray() {
		if($this->getStatus() == true) {
			if(array_key_exists('result', $this->attributes)) {
				return $this->attributes['result'];
			} else {
				$this->setStatus(false);
				$this->setMessage("Attribute: '".$attribute."' does not exist");
				return $this->getStatus();
			}
		}
	}

	function connect() {
		$type = $this->getAttribute('type');
		if($type <> false) {
			switch($type) {
				case 'MSSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'MySQL';
					$this->setAttribute('link', mysql_connect($this->getAttribute('host'), $this->getAttribute('username'), $this->getAttribute('password')));
					break;
				case 'ODBC';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Oracle';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'PostgreSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Sybase';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				default:
					$this->setMessage("Database type:".$type." is invalid");
					$this->setStatus(false);
			}
		}
	}

	function close() {
		$type = $this->getAttribute('type');
		if($type <> false) {
			switch($type) {
				case 'MSSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'MySQL';
					mysql_close($this->getAttribute('link'));
					break;
				case 'ODBC';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Oracle';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'PostgreSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Sybase';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;				default:
					$this->setMessage("Database type:".$type." is invalid");
					$this->setStatus(false);
			}
		}
	}

	function selectDatabase() {
		$type = $this->getAttribute('type');
		if($type <> false) {
			switch($type) {
				case 'MSSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'MySQL';
					$result = mysql_select_db($this->getAttribute('database'), $this->getAttribute('link'));
					if($result <> false) {
						if($result == false) {
							$this->setMessage(mysql_error($this->getAttribute('link')));
							$this->setStatus(false);
						}
					}
					break;
				case 'ODBC';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Oracle';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'PostgreSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Sybase';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;				default:
					$this->setMessage("Database type:".$type." is invalid");
					$this->setStatus(false);
			}
		}
	}

	function fetch($sql) {
		$type = $this->getAttribute('type');
		if($type <> false) {
			switch($type) {
				case 'MSSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'MySQL';
					$status = $this->execute($sql);
					if($status == true) {
						$numrows = mysql_num_rows($status);
						$fetch_type = $this->getAttribute('fetch');
						switch($fetch_type) {
							case 'associative';
								$fetch = MYSQL_ASSOC;
								break;
							case 'numeric';
								$fetch = MYSQL_NUM;
								break;
							case 'both';
								$fetch = MYSQL_BOTH;
								break;
							default:
								$this->setMessage("attribute['fetch'] must be either 'associative', 'numeric' or 'both' e.g. object->setAttribute['fetch'] = 'numeric';");
								$this->setStatus(false);
						}
						if($this->getAttribute('status') == true) {
							$this->setAttribute('result', array());
							for($i = 0; $i <= $numrows - 1; $i++) {
								$this->attributes['result'][$i] = mysql_fetch_array($status, $fetch);
							}
						}
					}
					break;
				case 'ODBC';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Oracle';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'PostgreSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Sybase';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;				default:
					$this->setMessage("Database type:".$type." is invalid");
					$this->setStatus(false);
			}
		}
	}

	function execute($sql) {
		$type = $this->getAttribute('type');
		if($type <> false) {
			switch($type) {
				case 'MSSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'MySQL';
					$status = mysql_query($sql, $this->getAttribute('link'));
					if($status == false) {
						$this->setMessage(mysql_error($this->getAttribute('link')));
						$this->setStatus(false);
					}
					break;
				case 'ODBC';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Oracle';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'PostgreSQL';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;
				case 'Sybase';
					$this->setMessage("Database type:".$type." has not yet been provided for in this class");
					$this->setStatus(false);
					break;				default:
					$this->setMessage("Database type:".$type." is invalid");
					$this->setStatus(false);
			}
			return $status;
		}
	}
}
?>